* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Arial, sans-serif;
  color: #e7ecff;
  background: #030a22;
  line-height: 1.45;
}

.container {
  width: min(980px, 92%);
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid rgba(255,255,255,0.12);
  position: sticky;
  top: 0;
  backdrop-filter: blur(6px);
  background: rgba(3,10,34,0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
}

.brand-neuroflex {
  align-items: center;
  display: inline-flex;
  gap: 10px;
}

.brand-neuroflex img {
  display: block;
  height: 34px;
  width: 34px;
}

.brand-neuroflex sup {
  color: #FBBF24;
  font-size: 0.58em;
  line-height: 0;
  margin-left: 2px;
  position: relative;
  top: -0.45em;
}

.nav a {
  color: #9fb3ff;
  text-decoration: none;
  margin-left: 1rem;
}

.nav a:hover { color: #fff; }

.hero {
  padding: 72px 0 32px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.hero p {
  margin: 0;
  color: #aeb9e8;
  font-size: 1.05rem;
}

.section {
  padding: 24px 0 56px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: #202948;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 18px;
}

.app-icon {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.18);
  background: #ffffff;
  display: block;
  margin-bottom: 12px;
}

.card h3 { margin-top: 0; }
.card p { color: #bac3ea; }

.card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  background: #38c759;
  color: #081219;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
}

.btn-secondary {
  background: transparent;
  border: 1px solid #6472aa;
  color: #d3dcff;
}

.site-footer {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 18px 0;
  color: #9ba9df;
}

.content-page {
  padding: 28px 0 56px;
}

.content-box {
  background: #111a36;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 20px;
}

.content-box p, .content-box li { color: #d2daf9; }
.muted { color: #9aa9dc; }

.contact-email {
  font-size: 1.1rem;
  font-weight: 700;
}

.contact-email-link {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
}

.contact-email-link:hover,
.contact-email-link:focus {
  text-decoration: underline;
}

.doc-hero {
  padding: 56px 0 28px;
}

.doc-kicker {
  color: #38c759;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
  text-transform: uppercase;
}

.doc-hero h1 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.05;
  margin: 0 0 16px;
  max-width: 820px;
}

.doc-lead {
  color: #c7d0f7;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 780px;
}

.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.doc-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin: 24px 0;
}

.doc-card {
  background: #111a36;
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 18px;
  padding: 20px;
}

.doc-card h2,
.doc-card h3 {
  margin-top: 0;
}

.doc-card p,
.doc-card li {
  color: #d2daf9;
}

.doc-card-strong {
  background: #202948;
}

.doc-strip {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin: 24px 0;
}

.doc-stat {
  border-top: 1px solid rgba(255,255,255,0.14);
  padding-top: 12px;
}

.doc-stat strong {
  color: #ffffff;
  display: block;
  font-size: 1.35rem;
}

.doc-stat span {
  color: #9aa9dc;
  display: block;
  font-size: 0.92rem;
}

.doc-section {
  padding: 18px 0;
}

.doc-section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 12px;
}

.doc-callout {
  background: #202948;
  border-left: 4px solid #38c759;
  border-radius: 14px;
  color: #e7ecff;
  margin: 22px 0;
  padding: 18px;
}

.doc-callout p {
  margin: 0;
}

.doc-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 16px 0;
  padding: 0;
}

.doc-pill-list li {
  background: rgba(159,179,255,0.12);
  border: 1px solid rgba(159,179,255,0.22);
  border-radius: 999px;
  color: #d8e0ff;
  padding: 7px 10px;
}

.doc-timeline {
  border-left: 1px solid rgba(255,255,255,0.16);
  margin: 24px 0;
  padding-left: 20px;
}

.doc-step {
  margin-bottom: 22px;
  position: relative;
}

.doc-step:before {
  background: #38c759;
  border-radius: 50%;
  content: "";
  height: 10px;
  left: -26px;
  position: absolute;
  top: 7px;
  width: 10px;
}

.doc-step h3 {
  margin: 0 0 6px;
}

.code-sample {
  background: #050b22;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  color: #d8e0ff;
  overflow-x: auto;
  padding: 16px;
}

.mini-label {
  color: #9fb3ff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* NeuroFlex premium research pages */
.neuro-site {
  background:
    radial-gradient(circle at 82% 12%, rgba(251,191,36,0.11), transparent 28%),
    radial-gradient(circle at 18% 28%, rgba(96,165,250,0.12), transparent 30%),
    linear-gradient(180deg, #050816 0%, #07111F 35%, #081322 100%);
  color: #CBD5E1;
  font-family: Inter, Manrope, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

.neuro-site .site-header {
  background: rgba(5,8,22,0.82);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(14px);
  z-index: 10;
}

.neuro-site .brand,
.neuro-site h1,
.neuro-site h2,
.neuro-site h3 {
  color: #FFFFFF;
}

.neuro-site .nav a {
  color: #CBD5E1;
}

.neuro-site .nav a:hover {
  color: #FBBF24;
}

.neuro-site .btn {
  background: #FBBF24;
  color: #0F172A;
  box-shadow: 0 0 24px rgba(251,191,36,0.22);
}

.neuro-site .btn:hover {
  background: #F59E0B;
}

.neuro-site .btn-secondary {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  color: #FFFFFF;
  box-shadow: none;
}

.neuro-hero {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  min-height: calc(100vh - 64px);
  padding: 92px 0;
}

.neuro-kicker {
  color: #FBBF24;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin: 0 0 18px;
  text-transform: uppercase;
}

.neuro-hero h1 {
  font-size: clamp(3.3rem, 8vw, 6.8rem);
  letter-spacing: -0.08em;
  line-height: 0.9;
  margin: 0 0 24px;
  max-width: 760px;
}

.neuro-highlight {
  color: #FBBF24;
  display: block;
}

.neuro-lead {
  color: #CBD5E1;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.65;
  margin: 0;
  max-width: 680px;
}

.neuro-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.neuro-hero-note {
  color: #94A3B8;
  font-size: 0.92rem;
  margin-top: 24px;
  max-width: 620px;
}

.neuro-visual {
  min-height: 520px;
  position: relative;
}

.neural-orb {
  align-items: center;
  background: rgba(15,23,42,0.72);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 36px;
  display: flex;
  inset: 20px;
  justify-content: center;
  overflow: hidden;
  position: absolute;
  backdrop-filter: blur(10px);
  box-shadow: inset 0 0 80px rgba(96,165,250,0.08), 0 0 60px rgba(251,191,36,0.08);
}

.neural-orb svg {
  height: min(520px, 86vw);
  opacity: 0.94;
  width: min(520px, 86vw);
}

.neural-card {
  background: rgba(15,23,42,0.78);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 16px 18px;
  position: absolute;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.24);
}

.neural-card strong {
  color: #FFFFFF;
  display: block;
  font-size: 1.05rem;
}

.neural-card span {
  color: #94A3B8;
  font-size: 0.86rem;
}

.neural-card-one {
  left: 0;
  top: 78px;
}

.neural-card-two {
  bottom: 82px;
  right: 0;
}

.neuro-section {
  padding: 150px 0;
}

.neuro-section.alt {
  background: rgba(255,255,255,0.02);
}

.neuro-section-header {
  margin-bottom: 48px;
  max-width: 780px;
}

.neuro-section-header h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  letter-spacing: -0.055em;
  line-height: 1;
  margin: 0 0 18px;
}

.neuro-section-header p {
  color: #CBD5E1;
  font-size: 1.08rem;
  line-height: 1.7;
}

.neuro-card-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.neuro-card {
  background: rgba(15,23,42,0.75);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 24px;
  padding: 32px;
  backdrop-filter: blur(10px);
}

.neuro-card p,
.neuro-card li {
  color: #CBD5E1;
}

.neuro-card h3 {
  font-size: 1.25rem;
  margin: 0 0 12px;
}

.outline-icon {
  align-items: center;
  border: 1px solid rgba(251,191,36,0.28);
  border-radius: 18px;
  color: #FBBF24;
  display: flex;
  height: 54px;
  justify-content: center;
  margin-bottom: 22px;
  width: 54px;
}

.outline-icon svg {
  height: 28px;
  width: 28px;
}

.dataset-flow {
  align-items: center;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
}

.flow-node {
  align-items: center;
  background: rgba(15,23,42,0.65);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  color: #CBD5E1;
  display: flex;
  font-weight: 800;
  height: 96px;
  justify-content: center;
  padding: 16px;
  text-align: center;
  position: relative;
}

.flow-node:not(:last-child):after {
  background: linear-gradient(90deg, rgba(251,191,36,0.7), rgba(96,165,250,0.3));
  content: "";
  height: 1px;
  position: absolute;
  right: -18px;
  top: 50%;
  width: 18px;
}

.flow-node.active {
  background: #FBBF24;
  color: #0F172A;
  box-shadow: 0 0 35px rgba(251,191,36,0.5);
}

.neuro-timeline {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  position: relative;
}

.phase-card {
  background: rgba(15,23,42,0.72);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 28px;
  position: relative;
  backdrop-filter: blur(10px);
}

.phase-dot {
  background: transparent;
  border: 2px solid #FBBF24;
  border-radius: 50%;
  display: block;
  height: 18px;
  margin-bottom: 18px;
  width: 18px;
}

.phase-card.active .phase-dot {
  background: #FBBF24;
  box-shadow: 0 0 25px rgba(251,191,36,0.5);
}

.phase-card p {
  color: #CBD5E1;
}

.privacy-panel {
  align-items: center;
  display: grid;
  gap: 40px;
  grid-template-columns: 260px 1fr;
}

.shield-mark {
  align-items: center;
  background: linear-gradient(180deg, #FBBF24, #F59E0B);
  border-radius: 42px;
  color: #0F172A;
  display: flex;
  height: 220px;
  justify-content: center;
  margin: 0 auto;
  width: 220px;
  box-shadow: 0 0 60px rgba(251,191,36,0.15);
}

.shield-mark svg {
  height: 108px;
  width: 108px;
}

.medical-disclaimer {
  background: rgba(15,23,42,0.78);
  border: 1px solid rgba(251,191,36,0.18);
  border-radius: 24px;
  padding: 32px;
  backdrop-filter: blur(10px);
}

.medical-disclaimer p,
.medical-disclaimer li {
  color: #CBD5E1;
}

.neuro-cta {
  background: #0F172A;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 150px 0;
  text-align: center;
}

.neuro-cta h2 {
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  letter-spacing: -0.07em;
  line-height: 0.98;
  margin: 0 auto 24px;
  max-width: 940px;
}

.neuro-cta h2 span {
  color: #FBBF24;
  display: block;
}

.neuro-cta p {
  color: #CBD5E1;
  font-size: 1.15rem;
  margin: 0 auto;
  max-width: 720px;
}

.neuro-site .doc-hero {
  min-height: 72vh;
  padding: 120px 0 80px;
}

.neuro-site .doc-kicker,
.neuro-site .mini-label {
  color: #FBBF24;
}

.neuro-site .doc-hero h1 {
  font-size: clamp(3rem, 7vw, 6rem);
  letter-spacing: -0.07em;
  line-height: 0.96;
  max-width: 1040px;
}

.neuro-site .doc-lead {
  color: #CBD5E1;
  max-width: 860px;
}

.neuro-site .section,
.neuro-site .doc-section {
  padding: 96px 0;
}

.neuro-site .doc-card,
.neuro-site .content-box {
  background: rgba(15,23,42,0.75);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 24px;
  padding: 32px;
  backdrop-filter: blur(10px);
}

.neuro-site .doc-card-strong {
  background: rgba(31,41,55,0.86);
  box-shadow: 0 0 38px rgba(251,191,36,0.08);
}

.neuro-site .doc-callout {
  background: rgba(15,23,42,0.86);
  border-left-color: #FBBF24;
  border-radius: 20px;
  padding: 26px;
}

.neuro-site .doc-step:before {
  background: #FBBF24;
  box-shadow: 0 0 20px rgba(251,191,36,0.45);
}

.neuro-site .doc-pill-list li {
  background: rgba(251,191,36,0.09);
  border-color: rgba(251,191,36,0.22);
  color: #FDE68A;
}

.neuro-site .doc-stat strong {
  color: #FBBF24;
}

.neuro-site .code-sample {
  background: rgba(2,6,23,0.84);
  border-color: rgba(96,165,250,0.18);
}

@media (max-width: 860px) {
  .neuro-hero,
  .privacy-panel {
    grid-template-columns: 1fr;
  }

  .neuro-visual {
    min-height: 430px;
  }

  .dataset-flow,
  .neuro-timeline {
    grid-template-columns: 1fr;
  }

  .flow-node:not(:last-child):after {
    bottom: -18px;
    height: 18px;
    left: 50%;
    right: auto;
    top: auto;
    width: 1px;
  }

  .neuro-section,
  .neuro-cta {
    padding: 88px 0;
  }
}